TY - JOUR T1 - Note on Some Spectral Phenomena Observed in the Are Produced by a Siemens' Machine JF - Proceedings of the Royal Society of London (1854-1905) VL - 28 SP - 424 EP - 428 PY - 1878/01/01/ UR - http://dx.doi.org/10.1098/rspl.1878.0149 M3 - doi:10.1098/rspl.1878.0149 AU - Lockyer, J. ER -